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NCP1560 Datasheet(PDF) 6 Page - ON Semiconductor

Part No. NCP1560
Description  Full Featured Voltage Mode PWM Controller
Download  18 Pages
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1560 Datasheet(HTML) 6 Page - ON Semiconductor

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NCP1560
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS (Vin = 48 V, VAUX = 12 V, VEA = 2 V, RT = 101 kW, CCSKIP = 6800 pF,
RD = 60.4 kW, RFF = 432 kW, for typical values TJ = 25°C, for min/max values, TJ = -40°C to 125°C, unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
START-UP CONTROL AND VAUX REGULATOR
VAUX Regulation
Start-up Threshold/VAUX Regulation Peak (VAUX increasing)
Minimum Operating VAUX Valley Voltage After Turn-On
Hysteresis
VAUX(on)
VAUX(off)
VH
10.5
6.6
-
11.0
7.0
4.0
11.5
7.4
-
V
Minimum Start-up Voltage (Pin 1)
ISTART = 1.0 mA, VAUX = VAUX(on) - 0.2 V
VSTART(min)
-
19.3
21.5
V
Start-up Circuit Output Current
VAUX = 0 V
TJ = 25°C
TJ = -40°C to 125°C
VAUX = VAUX(on) - 0.2 V
TJ = 25°C
TJ = -40°C to 125°C
ISTART
13
10
10
8
17.5
-
13.8
-
21
25
17
19
mA
Start-up Circuit Off-State Leakage Current (Vin = 150 V)
TJ = 25°C
TJ = -40°C to 125°C
ISTART(off)
-
-
23
-
50
100
mA
Start-up Circuit Breakdown Voltage (Note 2)
ISTART(off) = 50 mA, TJ = 25°C
V(BR)DS
150
-
-
V
Auxiliary Supply Current After VAUX Turn-On
Outputs Disabled
VEA = 0 V
VUV/OV = 0.7 V
Outputs Enabled
IAUX1
IAUX2
IAUX3
-
-
-
2.7
1.3
4.6
5.0
2.5
6.5
mA
LINE UNDER/OVERVOLTAGE DETECTOR
Undervoltage Threshold (Vin Increasing)
VUV
1.40
1.52
1.64
V
Undervoltage Hysteresis
VUV(H)
0.080
0.098
0.120
V
Overvoltage Threshold (Vin Increasing)
VOV
3.47
3.61
3.75
V
Overvoltage Hysteresis
VOV(H)
-
0.145
-
V
Undervoltage Propagation Delay to Output
tUV
-
250
-
ns
Overvoltage Propagation Delay to Output
tOV
-
160
-
ns
CURRENT LIMIT
Cycle by Cycle Threshold Voltage
ILIM1
0.44
0.48
0.52
V
Propagation Delay to Output (VEA = 2.0 V)
VCS = ILIM1 to 2.0 V, measured when VOUT reaches 0.5 VOH
tILIM
-
90
150
ns
Cycle Skip Threshold Voltage
ILIM2
0.54
0.57
0.62
V
Cycle Skip Charge Current (VCSKIP = 0 V)
ICSKIP
8.0
12.3
15
mA
2. Guaranteed by design only.


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